Home / 177,581.84-266,279.20-121,437.90

Finding the Fourth Proportional to 177,581.84, 266,279.20 and 121,437.90

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Solution

The fourth proportional to 177,581.84, 266,279.20 and 121,437.90 is: 182,092.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,581.84 : 266,279.20 = 121,437.90 : x
  2. Step 2: Convert to fraction form
    177,581.84/266,279.20 = 121,437.90/x
  3. Step 3: Cross multiply
    177,581.84x = 266,279.20 × 121,437.90
  4. Step 4: Simplify right side
    177,581.84x = 32,336,386,558.09
  5. Step 5: Solve for x
    x = 32,336,386,558.09/177,581.84
  6. Step 6: Final answer
    x = 182,092.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.